/**
 * Copyright 2019 zgqq <zgqjava@gmail.com>
 * <p>
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.github.flycat.util;

public class ExceptionUtils {

    public static String getStackTraceHtml(Throwable throwable) {
        final String stackTrace = getStackTrace(throwable);
        final StringBuilder stringBuilder = new StringBuilder();
        String[] lines = stackTrace.split("\\r?\\n");
        for (String line : lines) {
            stringBuilder.append("&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;");
            stringBuilder.append(line);
            stringBuilder.append("\n");
        }
        final String stackTraceHtml = stringBuilder.toString().replace("\n", "<br>")
                .replace("\t", "    ");
        return stackTraceHtml;
    }

    public static String getStackTrace(Throwable throwable) {
        if (throwable == null) {
            return "";
        }
        return org.apache.commons.lang3.exception.ExceptionUtils.getStackTrace(throwable);
    }
}
